| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com> |
| Cc: | Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Samrat Revagade <revagade(dot)samrat(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Patch for fail-back without fresh backup |
| Date: | 2013-10-08 09:46:10 |
| Message-ID: | 20131008094610.GA3698093@alap2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2013-10-08 15:07:02 +0530, Pavan Deolasee wrote:
> On Tue, Oct 8, 2013 at 2:33 PM, Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>wrote:
>
> > On Fri, Oct 4, 2013 at 4:32 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> > >
> > I attached the v12 patch which have modified based on above suggestions.
> >
>
> There are still some parts of this design/patch which I am concerned about.
>
> 1. The design clubs synchronous standby and failback safe standby rather
> very tightly. IIRC this is based on the feedback you received early, so my
> apologies for raising it again so late.
It is my impression that there still are several people having pretty
fundamental doubts about this approach in general. From what I remember
neither Heikki, Simon, Tom nor me were really convinced about this
approach.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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